1. Mathematics is the highest achievement of human thinking. Misra.

2. Although we are not allowed to see through the secrets of nature, so as to know the real reason of the phenomenon, some fictitious assumptions may still occur, which can explain many phenomena. Euler.

3. Time is a constant and a variable. There are endless industrious people and endless lazy people. -strict words are the first.

How can a person become a philosopher if he can't keep his enthusiasm by other people's better methods? Thoreau

The motive force of mathematical invention is not reasoning, but imagination. -Demonstration.

6. Numbers rule the universe. Pythagoras

7. Geometry can't be king. Euclid.

8. Take time to think about what you did in a day, whether it was "plus sign" or "minus sign". If it is a "plus sign", you will make progress. If it is "-",we must learn a lesson and take measures. -dimitrov.

9. God is a mathematician. Jacoby.

10, countability is the world that rules the whole quantity, and the four operations can be regarded as all the equipment of mathematicians. Maxwell